Home / 4,748,239.80-7,122,359.70-1,382,556.60

Finding the Fourth Proportional to 4,748,239.80, 7,122,359.70 and 1,382,556.60

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Solution

The fourth proportional to 4,748,239.80, 7,122,359.70 and 1,382,556.60 is: 2,073,834.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748,239.80 : 7,122,359.70 = 1,382,556.60 : x
  2. Step 2: Convert to fraction form
    4,748,239.80/7,122,359.70 = 1,382,556.60/x
  3. Step 3: Cross multiply
    4,748,239.80x = 7,122,359.70 × 1,382,556.60
  4. Step 4: Simplify right side
    4,748,239.80x = 9,847,065,410,809.02
  5. Step 5: Solve for x
    x = 9,847,065,410,809.02/4,748,239.80
  6. Step 6: Final answer
    x = 2,073,834.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.